Electronic cigarette



FIG. 1 is a top perspective view of an electronic cigarette showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines are for the purpose of illustrating portions of the electronic cigarette that form no part of the claimed design. 

CLAIM The ornamental design for an electronic cigarette, as shown and described. 